09-15-2016, 02:25 PM
Join Date: Mar 2013
Location: Talladega, Alabama
Mentioned: 69 Post(s)
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If its food, the only thing you can do is use process of elimination, by figuring out what ingredients are causing it, and take them out of the diet. Antihistamines won't help a food allergy.
However, antihistamines will help if its an environmental thing. You can use Zyrtec or Benadryl as long as there are no decongestants in them. Also, you can try bee pollen or spirulina if you would rather stay away from chemicals.
Going to the vet for some allergy tests may be your best bet at figuring out what type of allergy you are dealing with.